Safety window cleaning device and ventilator.



J. B. MORROW & O. P. GERITZ. SAFETY WINDOW CLEANING DEVICE ANDVENTILATOR.

APPLICATION FILED JAN. 2. 191-2,

Fatented MELT. 30 1915.

2 SHEBTS-SHEET l- J. B. MORROW & O. ,P. GE RITZ. s1 FETY WINDOW CLEANINGDEVICE AND VENTILATORA APPLICATION FILED JAN. 2, 1914. 1 1 fifi figfi, aPatented Mar. 30, 1915' 2 SHEETS-SHEET 2.

treason.

win "snares Man ltldltt JOHN B. Monnow AND onans r. centre, or:eaoontttu, new roan.

SAFETY WINDOW' CLEANING DEVICE AND VENTILA'IOR.

Specification of Letters Patcnt- Patented Mar. 36

Application filed January 2, ma. Serial a... 810,041.-

To all whom it may concern:

Be it known that we, JOHN .B....ltllonno v and CLAUs P GEIuTZ, citizensof the Un ted States, residing atBrooklyn, in the county of Kings andState of New York, have invented a new and useful Safety Window CleaningDevice and Ventilator, of which lid the following is a specification.

The deviceforming the subject matter of this application is a window,the same being so constructed that the upper and lower sashes thereofmay readily be swung inwardly, for cleaning, thereby rendering itunnecessary fora person to climb outside of the building, in order toclean the sashes,

Another object 'of the invention is to pro vide a window which willaflord adequate ventilation.

lit is within the scope of the invention to improve generally and toenhance the utility of, devices of that type to which the presentinvention appertains.

With the above and other objects in View which willappear as thedescription proceeds, the invention resides in the combination andarrangement of parts and in the details of construction hereinafterdescribed and claimed, it being understood that changes in the preciseembodiment of the invention herein disclosed can be made within thescopeof what is claimed without departing from "the spirit of theinvention. In the accompanying drawihgsz-lFigure 1 shows the inventionin perspective; Fig. 2 is a vertical longitudinal section; Fig. 3 is aperspective of the locking stud; Fig. 4; is a sectional detail of thelock; Fig. 5 is a top plan view of the lock; Fig. 6 is a frag mentalsection of one weight; Fig. 7 is a fragmental section of the hinge whichcon nects the guide frame with the casing; Fig. 8 is a perspectiie ofthe hinge which connects the guide frame with the casing; Fig. 9 ii afragmental perspective of the upper sas in carrying ou't'the inventionthere is provided a casing 1, to the sides of which are attached fi'xedprimary guide strips 2 coextensive in length with the casing 1. Locatedparallel to the primary guide strips 2 are secondary guide strips Thesecondary guide strips 3' terminate, intermediate the upper and lowerends of :the casing l, and thelower ends of the secondary guide strips 3are beveled as indicated at 4.

Mounted to slide between the fixed pri- .with the casing 1.

' mg oversheaves 22 carried by the casing 1 Secured to the lower ends ofthe flexible Y which are inserted the casing 1.

-n1ary guide strip 2 upon the one hand and 8 secured to Weights 9, theflexible @lBIHGljll/ being carried upwardly around sheaves 10 which aremounted on the casing 1. The lower inner ends of the flexible elements 6are attached to the upper sash 5 asshown most clearly in Fig. 9, and asindicated at 11..

The invention further includes a movable guide frame 12, pivotallyconnected at its lower end with the. casing 1. Any suitable means may beprovided for pivotally c011 necting the guide, frame 12 with-the cas-The upper sash 5 is supported for vertical ad ing 1. As shown in- ]Figs.Sand 7 a pair of plates M are providedat each slde of the movable guideframe, the plates 14 being looselypnited by'a headedpivot element l5;

A spring Washer 16 is interposed between the head-of the pivotelement-15 and one plate 14 for the purpose of taking upwea'r. One ofthe plates 14: of each hinge is secured to the casing 1 and the otherplate, of each hinge is secured to the side portion of the frame 12.,The upper ends of the frame 12 are beveledas shown at 17, so as tocooperate with the'beveled ends' l of the secondary guide strips 3 whenthe frame 12 is swungju'pwardlywrom the inclined position shown in Fig.1 into aposition' in alinement The inner edges of the side portions ofthe movable guide frame 12 are provided with grooves 18 adapted to alinewith grooves 19 in the fixed secondary guides. 3. A lower sash 20 is'mounted to slide in the grooves 18 .of themovable frame 12 and when theframe .12 is alined with the casing l, the lower sasIrQO may be pushedupwardly into the grooves 19 of the guides 3.

Flexible elements 21 are attached to the lowers-ash 20, the flexibleelements 21 passelementsQl are weights 23. The flexible ele ments 21 and6 move adjacent guide pins 2d into the outer surface of 'A locking meansisprovided for holding .the guide frame 12in alinement with the casing 1when the guide frame is swung upwardly from theposition shown in Fig. 1.

With this end in View, plates 25, one of which is shown in Fig. 3, aresecured to the outer side faces of the guide frame 12, the platescarrying headed studs 26. Locking mechanisms are attached to the inneredges of the casing 1. Each locking mechanism comprises an outer or faceplate 27 and an inner plate. 28, as will be understood from Figs. and'4,the plates 27 and 28 being connected by a central securing element 21)and spaced apart by studs 30. One plate carries a ful-crumpin 31 uponwhich is pivoted a latch provided with a notch 33 which clears thecentral securing element 29. In the edge of the latch 32 there is anotch 34 cooperating with a notch 35 formed in the periphery. of theface plate 27. At its outer end, the latch terminates in a finger piece36. A spring 37 is connected with the inner end of the latch 32 and isrestrained by a stud 38. Thefunction of the spring 37 is to maintain thelatch 32 in the position shown in Fig. 4. The finger piece E, keeper 43being secured of the upper sash;

-Presupposihg that the parts are posi tio'ned as shown in Fig. '1, theguide frame- 36-of each latch lever'projects outwardly through a notch39 formed in the casing 1. Guide fingers 40 are secured to the edges .ofthe movable frame 12. The function of these guide fingers 40 and theirrelation to the face plate- 27 of the lock will be dealt WithhereinafterI v y "Pivotally mounted upon the upper edge of the lower sash 20"is alatch 41, adapted to cooperate at different times with keepers 42 and43, the keeper 42 being sec lower portion of the upper sash 5 and the12' being lowered and being extended in wardly, it is obviousthatampleventilation will be provided for, it being possible to raiseand lower the frame 12 upon its pivotal connection 14 with the casipg'l,so that a draftwill beprevented. When the .free end of the fram'e 12 isswungiupwardly, the

i flexible elements 21 and the weights23 will exercise theirobviousfunctions, the beveled end l7'of the frame 12 cooperating withthe beveledend 4 of the fixed guide strips 3. Inthis manner, the grooves18 in the guide frame 12 will be alined with the grooves 19 in the fixedguide 3, and the lowersash 20 may be moved in the usual manner, Ob-

viously, when the frame 12 is swung upwardly,'the frame coepcrateswiththe fixed guide strips' 2 to hold the upper sash in placefor' verticalad ustment,.the functions of the, Weights 9 being clear and readilyunderstood. when the parts'are in the p si-. tions abovedescribed, thelatch 41 may bewengagcd-withthe keeper 42 on the upper ured to the tothe upper edge face plates 27 of the locking mechanism, and

these face plates, therefore act as wear strips receiving the lingers40. iVhen theframe 12 is swung upwardly, the studs 26 on the frame willenter the notches 35 in the face plate 27 of the locking mechanism and,under the action of the springs 37, the latch level-s32 in their notchedportions 34, will cooperate with the studs 26 to hold the frame 12 inalinement with the casing 1. In order to set the frame 12 free, thelatches 32 may be lifted by means of the protruding finger pieces 30.

lt will be clearly understood that when the frame 12 is swung.downwardly into the position shown .in Fig. 1, the lower sash 20 maybecleaned readily without climbing outside of the building. Should it bedesired to clean the upper sash 5, the upper sash is pushed downwardlywhilst the frame 12 is in alinement with the casing 1. Thereupon, thelatch 41 is engaged with the keeper 43 and .the frame 12 isswunginwardly and downwardly, carrying with it not only the lower sash 20 butthe upper sash 5 as Well. Both sashes may be earned by the frame 12 inthe manner hereinbefore described, not only when it is desired to cleanthe sashes, but when it is desired to open'the casing 1 entirely for anyother purvose. 1 Having thus described the invention, what is claimed isIn a device of the class described, a casing; an upper sash mounted toslide in the casing; a frame pivoted to the casing; a lower sash mountedto slide in the frame; a locking element on the lowest sash; and lockingelements upon the upper and lower ends different times with thelocking-element on the lower sash; the frame constituting means foropening the casing to permit the uppersash to be swung downwardly, alongwith ,the frame, and the lower sash and the locking element on the lowersash cooperating with the locking element upon the upper end of theupper sash, to hold the upper sash in place upon the frame.

In testimony that we claim the foregoing as our. own, we havehercto'allixed our signatures in the presence of two witnesses.

JOHN B. MORROlV.

. CLAU S P. GERITZ.

Witnesses I Jizo T. Mnynixo,

ALBERT A. NOWAK.

lot

